Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
McKinney's December weather features a light decline in high-temperatures, reducing from a fresh 53.2°F (11.8°C) in November to a frosty 45.3°F (7.4°C). McKinney's average low-temperature in December is measured at an icy 32.9°F (0.5°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months in McKinney.Rainfall
In McKinney, Kentucky, in December, it is raining for 13.1 days, with typically 3.74" (95mm) of accumulated precipitation. In McKinney, during the entire year, the rain falls for 176.6 days and collects up to 39.37" (1000mm) of precipitation.Snowfall
Months with snowfall in McKinney are January through April, November and December. In December, in McKinney, it is snowing for 6.7 days. Throughout December, 2.01" (51mm) of snow is accumulated. In McKinney, during the entire year, snow falls for 32.5 days and aggregates up to 12.28" (312mm) of snow.Daylight
The month with the shortest days in McKinney is December, with an average of 9h and 36min of daylight.On the first day of December in McKinney, sunrise is at 7:35 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:31 pm EST.
Sunshine
The average sunshine in December in McKinney is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in McKinney. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in McKinney?
What are the most humid months in McKinney?
What is the average humidity in December in McKinney?
How many days does it rain in December in McKinney?
How many days does it snow in December in McKinney?
What is the month with the shortest days in McKinney?
How many hours of daylight does McKinney have in December?
What time are sunrise and sunset in December in McKinney?
How many hours of sunshine does McKinney have in December?
When is the lowest UV index in McKinney?
What is the UV index reading in December in McKinney?
Average temperature in December
McKinney, KY
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in December
McKinney, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
McKinney, KY
- Average wind speed in December: 7.9mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
McKinney, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (76%).
Average rainfall in December
McKinney, KY
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is February (3.86").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
McKinney, KY
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in December
McKinney, KY
- Average snowfall in December: 2.01"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
McKinney, KY
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
McKinney, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
McKinney, KY
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in December
McKinney, KY
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
McKinney, KY
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
McKinney, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
McKinney, Kentucky, USA
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